【Earth&Sky】科学家：环境健康就是公共健康_英语听力练习mp3下载-科学-沪江听力酷

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【Earth&Sky】科学家：环境健康就是公共健康

听力简介：

听写填空,只写填空内容,不抄全文,4个单词/词组+1个句子,不用写标号~

Tyrone Hayes: Environmental health is public health. If you're altering the environment in such a way that wildlife can't live in it anymore, that amphibians are declining globally, [--1--], then you're creating an environment that eventually we won't be able to live in, either.

You're listening to biologist Tyrone Hayes, of the University of California, Berkeley. He sees a close [--2--] between the health of frogs and the health of humans. Hayes studies how pesticides interact with hormones.

Tyrone Hayes: The [--3--] are the same. So the same chemical that will cause a male frog to make estrogen, cause a male frog to become a hermaphrodite, can cause excess estrogen production in humans, which can lead to breast cancer.

Hayes' research was published in the Proceedings of the National Academy of Sciences. His study showed that these chemicals originate in agricultural pesticides, which [--4--] into the water supply.

Tyrone Hayes: So the frog is getting it because of swimming, drinking, living in the water. A human would get it by being exposed as an agriculture worker or factory worker, but also by drinking the water in the home.

Hayes is concerned that people at high risk for exposure to chemicals may be the least aware of the health impacts.

Tyrone Hayes: The people who are most impacted – the workers, agricultural workers and factory workers – are less likely to have access to information and health care. [--5--]

I'm Lindsay Patterson for E&S, a clear voice for science. We're at ES.org

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